nfs41: add support for callback with RPC version number 4

The NFSv4.1 spec-29 (18.36.3) says that the server MUST use an ONC RPC (program) version number equal to 4 in callbacks sent to the client. For now we allow both versions 1 and 4. Signed-off-by: Alexandros Batsakis <batsakis@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
git-mirror · Dec 5, 2009 · 07bccc2 · 07bccc2
1 parent 0b9e2d4
commit 07bccc2
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diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
@@ -385,6 +385,7 @@ static int nfs_callback_authenticate(struct svc_rqst *rqstp)
  */
 static struct svc_version *nfs4_callback_version[] = {
 	[1] = &nfs4_callback_version1,
+	[4] = &nfs4_callback_version4,
 };
 
 static struct svc_stat nfs4_callback_stats;

diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
@@ -718,3 +718,10 @@ struct svc_version nfs4_callback_version1 = {
 	.vs_dispatch = NULL,
 };
 
+struct svc_version nfs4_callback_version4 = {
+	.vs_vers = 4,
+	.vs_nproc = ARRAY_SIZE(nfs4_callback_procedures1),
+	.vs_proc = nfs4_callback_procedures1,
+	.vs_xdrsize = NFS4_CALLBACK_XDRSIZE,
+	.vs_dispatch = NULL,
+};
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
@@ -156,6 +156,7 @@ struct vfsmount *nfs_do_refmount(const struct vfsmount *mnt_parent, struct dentr
 
 /* callback_xdr.c */
 extern struct svc_version nfs4_callback_version1;
+extern struct svc_version nfs4_callback_version4;
 
 /* pagelist.c */
 extern int __init nfs_init_nfspagecache(void);

diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
@@ -290,6 +290,7 @@ struct nfs4_mount_data;
 
 /* callback_xdr.c */
 extern struct svc_version nfs4_callback_version1;
+extern struct svc_version nfs4_callback_version4;
 
 #else
-Original file line number
+Diff line change
@@ Expand Up / @@ -290,6 +290,7 @@ struct nfs4_mount_data; @@
     /* callback_xdr.c */
     extern struct svc_version nfs4_callback_version1;
+    extern struct svc_version nfs4_callback_version4;
     #else
@@ Expand Down @@